The RB4000 Series is appropriate for Industrial Service applications, district station applications, and large appliance regulation where fast response is required. The balanced valve design provides constant outlet pressure under all inlet pressure conditions. The unique built-in pulsation dampener allows for nearly infinite flowrate turn-down It is capable of operating up to 275 PSIG inlet pressure and has an outlet pressure range of 5" w.c. to 30 PSIG.